Environment and Biodiversity

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Across
  1. 2. a species that influences the survival of many others in an ecosystem
  2. 8. an environment that provides the things and organism needs to live
  3. 9. the disappearance of all members of a species from Earth
  4. 11. a species that could become endangered in the near future
  5. 13. anything in the environment used by people
  6. 14. a close relationship between two species that benefits at least one of the species
  7. 17. a natural resource that is not replaced in a useful time frame
Down
  1. 1. the number of different species in an area
  2. 3. an environmental factor that causes a population to decrease
  3. 4. a resource that is either always available or is naturally replaced in a relatively short time
  4. 5. the study of the natural processes that occur in the environment and how humans can affect them
  5. 6. a living part of an organism's habitat
  6. 7. the role of an organism in its habitat
  7. 10. all members of one species in a particular area
  8. 12. a species in danger of becoming extinct in the near future
  9. 15. a nonliving part of an organism's habitat
  10. 16. contamination of land, water, or air